/in/foo.cc: In function 'int main()':
/in/foo.cc:33:9: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   33 |         for (int i = 1; i <= len1; i++)
      |         ^~~
/in/foo.cc:36:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   36 |                 printf("%d\n", f[len1][len2]);
      |                 ^~~~~~